Plaster-board.



E. SHAMIAH 6c G. WITTY.

PLASTEB BOABD. l APPLIOAHOI( Hmm In 2o. 190s.

914,317. Patented Manz, 1909.

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comme R PLASTIC. y/ d I/ Examlner. 9 8

UNITED STATES PATEN T OFFICE.

HABIB SHAMIAH, OF BROOKLYN, NEW YORK, AND GEORGE WITTY, OF JERSEY CITY, NEW

JERSEY. ww

PLASTER-B CARD.

No. 914,317. Specification of Letters Patent. Patented March 2, 1909. Application led May 20, 1908. Serial No. 433,895.

To all whom it may concern: Without injury thereto, an advantage of con- Be it known that we, HABIB SHAMIAH, a sequence over ordinary plaster boards, which citizen of the United States, residing at are frequently broken or otherwise injured 55 Brooklyn, in the county of Kings and State during the rocess of nailing them to the of New York, and GEORGE WITTY, a citizen framing. T ese advantages are secured by of the United States, residing at Jersey City, the use of ashes in connection with sand and in the county of Hudson and State of New cement, whereby a somewhat porous com- JerSey, have invented new and useful Imposition is produced in which the elements 60 provements in Ilaster-Boards, of which the cohere sufficiently to permit penetration by 10 following is a specification. nails without fracture and to enable the ma- This invention relates to plaster boards, terial to cling close to the nails, as well as to the object ofthe invention being to providea ada t the material to take up particles of plaster board composed of absolutely firewal laster to insure a firm bond between 65 proof material, and which'will not crack, peel the pliaster and boards in smooth-finishing or become detached, which is browned or the wall and closing the joints between the cured ready for use, and which is superior in boards and binding the same together. The

other respects to the plaster boards in comingredients named further insure the producmon use. tion of a plastic composition which will not 70 A further object of the invention is to proset too hard or too qulckly and hence may be vide a plaster board having reduced ends for more easily shaped in a mold, and the proconnection with the meeting ends of adjacent duction of a board therefrom to which paste boards at the joints, and a novel construcwill more firmly adhere in ap lying the wall tion of means for use in conjunction with paper directly to the wall ormed by the 75 such reduced ends to fasten the same to the cards. framing, which fastening means when ap- Each board is halved at its ends or formed lied will not project beyond the surfaces of in its face portion at each end with a transthe boards. verse recess 2, leavin a reduced portion 3.

In the accompanying drawing illustrating In the application of t e boards to the beams 80 the invention, Flgure 1 is an elevational view or frame pieces 4 of a ceiling, partition or side of a portion of a partition frame showing the wall, the boards may be intermediately seapplication of several boards embodying the cured to certain of the partition pieces by invention thereto. Fig. 2 is a sectional plan suitable fastening nails 5, the horizontal rows view of the same. Fig. 3 is a perspective or tiers of boards being arranged to break 85 view of one of the joint plates. joint in the customary manner. The re- The boards l may be of conventional recduced ends of the boards of each tier may tangular or oblong rectangular form or of any abut or come in close relation, but are referother suitable form, as occasion may require. ably spaced a slight distance apart or the They are made in ractice of a composition assage of fastening nails 6 entering the ad- 90 consisting, prefera ly, of fine jacent beam or frame piece. These nails ex- 40 parts; sharp .one part P r s tend through apertures 7 ina series of joint one part roc une one part; an j p plates 8, wrllich extend across or bridge the )aris oneh'jmfcd wlth water o orm a reduced portions 3 and seat within the replastlc mass and shaped into form in a -cesses 2, so that they clamp the reduced ends 95 suitable mold. A plaster board formed of of the boards against the frame piece. By

this particular com osition when dry is this means the meeting ends of the boards at browned or cure ready for immediate the joints are securely fastened in position, use Without Subsequent treatment, and is of and the surfaces of the plates lie flush with such a texture as to permit it to be sawed or' the faces of the boards, so that the ordinary 100 cut in a cleanly manner or without chipping wall paper may be applied without injury or it, and when a plied will not crack, peel or showlng irregularities of surface.

break under ali)ordinary conditions of serv- The construction described adapts the ice. Nails may be driven through the board boards to be quickly and conveniently applied Without the use of laths and Without land cement, one part; lime7 one part; plaster soiling the loor of the room, and, as the niaof aris, one part; and Water. terial of which they are composed does not n testimony whereof We aliX our signadisintegrate and is not easily broken or intures in presence of two Witnesses. 5 jured, durability is insured and the cost of re- I HABIB SHMIAH pairs reduced to a minimum. i @FORGE VVITTY Having thus fully described the invention, l l J what is claimed as new is A plaster board formed from a combina- 10 tion of ashes, two parts; sand, one part PortlVitnesses HANDY VITTY, GEO. SHAMIAH. 

